Non-alcoholic fatty liver disease, or NAFLD, represents a spectrum of pathologic liver histologic findings ranging from the simple accumulation of fat, known as steatosis, to nonalcoholic steatohepatitis and cirrhosis. It is estimated that NAFLD in all of its forms would have a 20% prevalence worldwide, but the evidence suggests a higher rate for developed countries, exceeding 30% for the US general population. Major risk factors for NAFLD, such as...